Home / 706,604.40-1,058,134.08-422,119.44

Finding the Fourth Proportional to 706,604.40, 1,058,134.08 and 422,119.44

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Solution

The fourth proportional to 706,604.40, 1,058,134.08 and 422,119.44 is: 632,120.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,604.40 : 1,058,134.08 = 422,119.44 : x
  2. Step 2: Convert to fraction form
    706,604.40/1,058,134.08 = 422,119.44/x
  3. Step 3: Cross multiply
    706,604.40x = 1,058,134.08 × 422,119.44
  4. Step 4: Simplify right side
    706,604.40x = 446,658,965,294.52
  5. Step 5: Solve for x
    x = 446,658,965,294.52/706,604.40
  6. Step 6: Final answer
    x = 632,120.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.